Can you find the hidden animal in the picture below?

Who always enjoys poor health?

Can you divide the below-given shape into four equal and identical pieces?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

What goes up but never comes down?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?